CA2908794A1 - Appareil et procede de mise a l'echelle de signal centrale et amelioration stereophonique basee sur un rapport de mixage reducteur par rapport a un signal - Google Patents
Appareil et procede de mise a l'echelle de signal centrale et amelioration stereophonique basee sur un rapport de mixage reducteur par rapport a un signalInfo
- Publication number
- CA2908794A1 CA2908794A1 CA2908794A CA2908794A CA2908794A1 CA 2908794 A1 CA2908794 A1 CA 2908794A1 CA 2908794 A CA2908794 A CA 2908794A CA 2908794 A CA2908794 A CA 2908794A CA 2908794 A1 CA2908794 A1 CA 2908794A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- audio
- information
- audio input
- channels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/307—Frequency adjustment, e.g. tone control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Abstract
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13163621.9 | 2013-04-12 | ||
| EP13163621 | 2013-04-12 | ||
| EP13182103.5 | 2013-08-28 | ||
| EP13182103.5A EP2790419A1 (fr) | 2013-04-12 | 2013-08-28 | Appareil et procédé de mise à l'échelle d'un signal central et amélioration stéréophonique basée sur un rapport signal-mixage réducteur |
| PCT/EP2014/056917 WO2014166863A1 (fr) | 2013-04-12 | 2014-04-07 | Appareil et procédé de mise à l'échelle de signal centrale et amélioration stéréophonique basée sur un rapport de mixage réducteur par rapport à un signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2908794A1 true CA2908794A1 (fr) | 2014-10-16 |
| CA2908794C CA2908794C (fr) | 2019-08-20 |
Family
ID=48087459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2908794A Active CA2908794C (fr) | 2013-04-12 | 2014-04-07 | Appareil et procede de mise a l'echelle de signal centrale et amelioration stereophonique basee sur un rapport de mixage reducteur par rapport a un signal |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9743215B2 (fr) |
| EP (2) | EP2790419A1 (fr) |
| JP (1) | JP6280983B2 (fr) |
| KR (1) | KR101767330B1 (fr) |
| CN (1) | CN105284133B (fr) |
| BR (1) | BR112015025919B1 (fr) |
| CA (1) | CA2908794C (fr) |
| ES (1) | ES2755675T3 (fr) |
| MX (1) | MX347466B (fr) |
| PL (1) | PL2984857T3 (fr) |
| RU (1) | RU2663345C2 (fr) |
| WO (1) | WO2014166863A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2790419A1 (fr) | 2013-04-12 | 2014-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de mise à l'échelle d'un signal central et amélioration stéréophonique basée sur un rapport signal-mixage réducteur |
| CN106024005B (zh) * | 2016-07-01 | 2018-09-25 | 腾讯科技(深圳)有限公司 | 一种音频数据的处理方法及装置 |
| JP7008716B2 (ja) * | 2016-11-08 | 2022-01-25 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー.ファオ. | サイドゲインおよび残余ゲインを使用してマルチチャネル信号を符号化または復号するための装置および方法 |
| US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
| EP3550561A1 (fr) * | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mélangeur abaisseur, codeur audio, procédé et programme informatique appliquant une valeur de phase à une valeur d'amplitude |
| CN117809663A (zh) | 2018-12-07 | 2024-04-02 | 弗劳恩霍夫应用研究促进协会 | 从包括至少两个声道的信号产生声场描述的装置、方法 |
| EP3671739A1 (fr) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Appareil et procédé de séparation de source à l'aide d'une estimation et du contrôle de la qualité sonore |
| MX2021010570A (es) | 2019-03-06 | 2021-10-13 | Fraunhofer Ges Forschung | Mezcladora para reducir el numero de canales de audio y metodo de mezclado para reducir el numero de canales de audio. |
| CN113259283B (zh) * | 2021-05-13 | 2022-08-26 | 侯小琪 | 一种基于循环神经网络的单通道时频混叠信号盲分离方法 |
| CN113889125B (zh) * | 2021-12-02 | 2022-03-04 | 腾讯科技(深圳)有限公司 | 音频生成方法、装置、计算机设备和存储介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7630500B1 (en) | 1994-04-15 | 2009-12-08 | Bose Corporation | Spatial disassembly processor |
| US8214221B2 (en) * | 2005-06-30 | 2012-07-03 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal and identifying information included in the audio signal |
| EP2038878B1 (fr) * | 2006-07-07 | 2012-01-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé pour combiner de multiples sources audio à codage paramétrique |
| US8036767B2 (en) | 2006-09-20 | 2011-10-11 | Harman International Industries, Incorporated | System for extracting and changing the reverberant content of an audio input signal |
| JP4327886B1 (ja) * | 2008-05-30 | 2009-09-09 | 株式会社東芝 | 音質補正装置、音質補正方法及び音質補正用プログラム |
| WO2010036059A2 (fr) * | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | Procédé et appareil pour traiter un signal |
| KR101108061B1 (ko) * | 2008-09-25 | 2012-01-25 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치 |
| US8705769B2 (en) * | 2009-05-20 | 2014-04-22 | Stmicroelectronics, Inc. | Two-to-three channel upmix for center channel derivation |
| TWI433137B (zh) * | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
| EP2464145A1 (fr) * | 2010-12-10 | 2012-06-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de décomposition d'un signal d'entrée à l'aide d'un mélangeur abaisseur |
| EP2790419A1 (fr) | 2013-04-12 | 2014-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de mise à l'échelle d'un signal central et amélioration stéréophonique basée sur un rapport signal-mixage réducteur |
-
2013
- 2013-08-28 EP EP13182103.5A patent/EP2790419A1/fr not_active Withdrawn
-
2014
- 2014-04-07 CA CA2908794A patent/CA2908794C/fr active Active
- 2014-04-07 JP JP2016506865A patent/JP6280983B2/ja active Active
- 2014-04-07 BR BR112015025919-7A patent/BR112015025919B1/pt active IP Right Grant
- 2014-04-07 EP EP14716549.2A patent/EP2984857B1/fr active Active
- 2014-04-07 KR KR1020157032365A patent/KR101767330B1/ko active Active
- 2014-04-07 PL PL14716549T patent/PL2984857T3/pl unknown
- 2014-04-07 WO PCT/EP2014/056917 patent/WO2014166863A1/fr not_active Ceased
- 2014-04-07 CN CN201480033313.5A patent/CN105284133B/zh active Active
- 2014-04-07 RU RU2015148317A patent/RU2663345C2/ru active
- 2014-04-07 ES ES14716549T patent/ES2755675T3/es active Active
- 2014-04-07 MX MX2015014189A patent/MX347466B/es active IP Right Grant
-
2015
- 2015-10-09 US US14/880,065 patent/US9743215B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101767330B1 (ko) | 2017-08-23 |
| CN105284133A (zh) | 2016-01-27 |
| EP2984857A1 (fr) | 2016-02-17 |
| MX347466B (es) | 2017-04-26 |
| KR20150143669A (ko) | 2015-12-23 |
| US20160037283A1 (en) | 2016-02-04 |
| BR112015025919A2 (pt) | 2017-07-25 |
| CN105284133B (zh) | 2017-08-25 |
| EP2790419A1 (fr) | 2014-10-15 |
| ES2755675T3 (es) | 2020-04-23 |
| PL2984857T3 (pl) | 2020-03-31 |
| RU2015148317A (ru) | 2017-05-18 |
| MX2015014189A (es) | 2015-12-11 |
| BR112015025919B1 (pt) | 2022-03-15 |
| JP6280983B2 (ja) | 2018-02-14 |
| CA2908794C (fr) | 2019-08-20 |
| US9743215B2 (en) | 2017-08-22 |
| JP2016518621A (ja) | 2016-06-23 |
| EP2984857B1 (fr) | 2019-09-11 |
| RU2663345C2 (ru) | 2018-08-03 |
| WO2014166863A1 (fr) | 2014-10-16 |
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| JP5149968B2 (ja) | スピーチ信号処理を含むマルチチャンネル信号を生成するための装置および方法 | |
| KR101984115B1 (ko) | 오디오 신호 처리를 위한 다채널 다이렉트-앰비언트 분해를 위한 장치 및 방법 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20151006 |
|
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 11TH ANNIV.) - STANDARD Year of fee payment: 11 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250326 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20250326 |